Some of the more interesting investigations can be considered by examining numerical data across groups. The methods required here aren’t really new: all that’s required is to make a numerical plot for each group in the same graph. Here two convenient methods are introduced: side-by-side box plots and hollow histograms.
We will take a look again at the county data set and compare the median household income for counties that gained population from 2010 to 2017 versus counties that had no gain. While we might like to make a causal connection here, remember that these are observational data and so such an interpretation would be, at best, half-baked.
There were 1,454 counties where the population increased from 2010 to 2017, and there were 1,672 counties with no gain (all but one were a loss). A random sample of 100 counties from the first group and 50 from the second group to give a better sense of some of the raw median income data.
Median Income for 150 Counties, in $1000s
Population Gain No Population Gain 38.2 43.6 42.2 61.5 51.1 45.7 48.3 60.3 50.7 44.6 51.8 40.7 48.1 56.4 41.9 39.3 40.4 40.3 40.6 63.3 52.1 60.3 49.8 51.7 57 47.2 45.9 51.1 34.1 45.5 52.8 49.1 51 42.3 41.5 46.1 80.8 46.3 82.2 43.6 39.7 49.4 44.9 51.7 46.4 75.2 40.6 46.3 62.4 44.1 51.3 29.1 51.8 50.5 51.9 34.7 54 42.9 52.2 45.1 27 30.9 34.9 61 51.4 56.5 62 46 46.4 40.7 51.8 61.1
53.8 57.6 69.2 48.4 40.5 48.6 43.4 34.7 45.7 53.1 54.6 55 46.4 39.9 56.7 33.1 21 37 63 49.1 57.2 44.1 50 38.9 52 31.9 45.7
46.6 46.5 38.9 50.9 56 34.6 56.3 38.7 45.7 74.2 63 49.6 53.7 77.5 60 56.2 43 21.7 63.2 47.6 55.9 39.1 57.8 42.6 44.5 34.5 48.9 50.4 49 45.6 39 38.8 37.1 50.9 42.1 43.2 57.2 44.7 71.7 35.3 100.2 35.4 41.3 33.6 42.6 55.5 38.6 52.7 63 43.4 56.5
Why Work with Us
Top Quality and Well-Researched Papers
Our writers have been trained on how to handle papers placed by our clients. The writer must read and understand before embarking on writing the papers. In case of any issue that needs clarification, writers are encouraged to ask the client or support.
Professional and Experienced Academic Writers
Our team comprises of the best writers and editors. We do thorough vetting during recruitment to make sure that our writers have the knowledge and experience we aspire in the team.
Free Unlimited Revisions
Our aim is to give the client the best outcome. If for some reason you are not satisfied with the wok done, you can ask the paper to be revised or rewritten. This will be done to your satisfaction with no extra charges.
Prompt Delivery and 100% Money-Back-Guarantee
We have writers who work round the clock. This helps in making sure that all our clients’ papers are delivered on time. If we have issues with the deadline, we will ask for extension. If its not possible, the money is fully refunded.
Original & Confidential
Our clients’ confidentiality is highly respected. We can never disclose our clients’ details to third parties. In the same regard, we strive to give our clients 100% original papers. We do not tolerate plagiarism from our writers.
24/7 Customer Support
Clients can reach us any time of the day, and any day of the week. There is a live chat, email or phone numbers to help in ease of communication.
Try it now!
How it works?
Follow these simple steps to get your paper done
Place your order
Fill in the order form and provide all details of your assignment.
Proceed with the payment
Choose the payment system that suits you most.
Receive the final file
Once your paper is ready, we will email it to you.
You should never be worried about your papers even in the middle of the night. Our team will work round the clock to deliver.
We have an able team that can deliver your work in the shortest time possible. The academic level or the type of work should never be a hindrance. Our highly competent support team is always around (24/7) to give you any assistance you may need.
Admission Essays & Business Writing Help
Do you need to be admitted in your dream institution but find it challenging to write an admission essay? Our team is in a position to write the best letter that will guarantee you an admission. We do as well write the best business proposals and reports.
Writing can be fun and enjoyable when everything has been done right. Writing is not just enough without proper editing and proofreading. We have a team of editors that ensure everything falls in place, whether its issues to do with grammar or referencing styles.
Once the paper has been done and submitted, that is not the end of it. You can always ask for amendment or improvement if you feel something has not been done right. Our team of writers and editors will gladly assist you to your satisfaction. Revision is free of charge.